Smith, J. H. (1972). Francis of Assisi. Scribner.
Chicago Style aipamenaSmith, John Holland. Francis of Assisi. New York: Scribner, 1972.
MLA aipamenaSmith, John Holland. Francis of Assisi. Scribner, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.